A R U P A Y A J E- MODUL S I KI M - 3.5 /4.5/2 / D A RU RA T P A Y H A M K I H A on M an BENTUK S A MOLEKUL R U P A Y A J S I P A Y H A M K I H S EME S T E R I I A KI M IA KEL AS X M S